{-# LANGUAGE EmptyDataDecls, ExistentialQuantification, FlexibleContexts, FlexibleInstances, ForeignFunctionInterface, MultiParamTypeClasses, ScopedTypeVariables, TypeFamilies, TypeSynonymInstances #-} module GDAL.OGRFeatureDefn.Interface where import Data.Word import Data.Int import Foreign.C import Foreign.Ptr import FFICXX.Runtime.Cast import GDAL.OGRFeatureDefn.RawType import GDAL.OGRFieldDefn.RawType import STD.Deletable.Interface class (IDeletable a) => IOGRFeatureDefn a where getFieldCount :: () => a -> IO CInt getFieldDefn :: () => a -> CInt -> IO OGRFieldDefn getGeomFieldCount :: () => a -> IO CInt upcastOGRFeatureDefn :: forall a . (FPtr a, IOGRFeatureDefn a) => a -> OGRFeatureDefn upcastOGRFeatureDefn :: forall a. (FPtr a, IOGRFeatureDefn a) => a -> OGRFeatureDefn upcastOGRFeatureDefn a h = let fh :: Ptr (Raw a) fh = a -> Ptr (Raw a) forall a. FPtr a => a -> Ptr (Raw a) get_fptr a h Ptr RawOGRFeatureDefn fh2 :: Ptr RawOGRFeatureDefn = Ptr (Raw a) -> Ptr RawOGRFeatureDefn forall a b. Ptr a -> Ptr b castPtr Ptr (Raw a) fh in Ptr (Raw OGRFeatureDefn) -> OGRFeatureDefn forall a. FPtr a => Ptr (Raw a) -> a cast_fptr_to_obj Ptr (Raw OGRFeatureDefn) Ptr RawOGRFeatureDefn fh2 downcastOGRFeatureDefn :: forall a . (FPtr a, IOGRFeatureDefn a) => OGRFeatureDefn -> a downcastOGRFeatureDefn :: forall a. (FPtr a, IOGRFeatureDefn a) => OGRFeatureDefn -> a downcastOGRFeatureDefn OGRFeatureDefn h = let fh :: Ptr (Raw OGRFeatureDefn) fh = OGRFeatureDefn -> Ptr (Raw OGRFeatureDefn) forall a. FPtr a => a -> Ptr (Raw a) get_fptr OGRFeatureDefn h fh2 :: Ptr (Raw a) fh2 = Ptr RawOGRFeatureDefn -> Ptr (Raw a) forall a b. Ptr a -> Ptr b castPtr Ptr (Raw OGRFeatureDefn) Ptr RawOGRFeatureDefn fh in Ptr (Raw a) -> a forall a. FPtr a => Ptr (Raw a) -> a cast_fptr_to_obj Ptr (Raw a) fh2